On Feb 16, 2017, Charles Thurston <[email protected]> wrote:
>Hello Charles,
>
>See if I can get all the answers in this email:
>
>It is schedule 40 now and had to be centered in the floating section to
>keep it level, This will be 4 feet off center. There is no handrail on
>the floating section so it will be mounted to the deck with 2' risers
>to the hose valves. Leaning toward schedule 10 to save 10# per foot of
>weight.
>
>Art:
>
>Well from low tide to high tide it has to get 12" shorter, I already
>have a flex hose at the top and there is a custom made Metraflex "V"
>hose at the bottom (now ON the bottom) to handle the movement. The "U"
>hose did not have enough movement range.
>
>Scott:
>
>Nice idea, I will look into those.
>
>Matt:
>
>The water is brackish, Tide going out is fairly fresh, tide coming in
>gets some salt into the area.
>
>John:
>
>I looked into HDPE pipe on the initial install back in 2010. It is
>above ground almost a 900 foot straight run out to the dock head, From
>my notes there was about 6 feet of difference in the length of the pipe
>due to temperature changes where is was not buried, The other was the
>sunlight exposure. I know of 2-3 docks in this area that are closed for
>use due to the HDPE welded joints separating under the decking and
>there is no way to weld it for a repair.
>
>
>Heck we even have a few in this area installed with white schedule 40
>plumbing pipe with glued joints under the decking.
>
>
>
>Thursday, February 16, 2017, 4:01:30 PM, you wrote:
>
>
>Hello Sprinklerforum,
>
>Looking for suggestions for pipe to use on top of a floating dock for
>the Manual Dry standpipe. We had pipe under it but due to structural
>failures of the dock the pipe is now in 3-5 feet of muck in the bottom
>of the river. Looking to run the pipe on top of the dock. There is no
>access under the dock. Dock is Aluminum decking welded into place, +/-
>185' long, last hose valve is about 1000 feet from the FDC. Had 6" all
>the way when it was put in 5 years ago.
Sent postage due...
_______________________________________________
Sprinklerforum mailing list
[email protected]
http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
